SKY521

For travellers

Departure · Ota, Tokyo (HND)

Terminal T1 · Gate 19 · Check-in Skymark Airlines Check-In

Scheduled 26 Aug 17:05 · Departed 26 Aug 17:10 · +5 min

Board status: Departed

Airborne since 26 Aug 17:09 (ADS-B)

Board data from haneda, updated 53229 min ago; times local to each airport.

Flight

Status

Completed

Departure

Tokyo Haneda International Airport (HND) — Ota, Tokyo, Japan

Scheduled departure

2026-08-26 08:05 UTC

Est. departure time

2026-08-26 08:04 UTC (approx.)

Arrival

Naha Airport (OKA) — Naha, Japan

Also flies as

BC521

Distance flown

1640 km

Straight-line distance

1554 km

Approach distance

76 km

Aircraft

Registration

JA737T

Type

Boeing 737-800

Seats

177 total (177 Economy)

CO2 (EMEP est., total)

35.2 t (199 kg/pax Economy)

Altitude & speed

Max altitude

36,000 ft

Max ground speed

478 kt

Tracked

2h 32m · 1,614 km

Altitude (ft, max 36,000)

Ground speed (kt, max 478)

Altitude (ft, max 36,000)

Ground speed (kt, max 478)

From the ADS-B positions we received; time since the first fix. A dashed stretch is a gap in reception, bridged by a straight line.

Route map

Airline

Skymark Airlines (SKY)

Latest flights

Departed	Flight	Route	Reg	Aircraft	Status	Distance
2026-10-02 08:19 UTC	SKY521	HND → OKA Ota, Tokyo → Naha	JA73NR	Boeing 737-800	Completed (landing presumed)	1638 km
2026-10-01 08:23 UTC	SKY521	HND → OKA Ota, Tokyo → Naha	JA73NU	Boeing 737-800	Incomplete (signal lost)	1636 km
2026-09-30 08:24 UTC	SKY521	HND → OKA Ota, Tokyo → Naha	JA73NA	Boeing 737-800	Completed (landing presumed)	1633 km
2026-09-29 08:27 UTC	SKY521	HND → OKA Ota, Tokyo → Naha	JA73ND	Boeing 737-800	Completed (landing presumed)	1655 km
2026-09-28 09:59 UTC	SKY521	HND → OKA Ota, Tokyo → Naha	JA737N	Boeing 737-800	Incomplete (signal lost)	1631 km
2026-09-27 08:18 UTC	SKY521	HND → OKA Ota, Tokyo → Naha	JA73NX	Boeing 737-800	Completed (landing presumed)	1658 km
2026-09-26 08:16 UTC	SKY521	HND → OKA Ota, Tokyo → Naha	JA737R	Boeing 737-800	Incomplete (signal lost)	1645 km
2026-09-25 08:07 UTC	SKY521	HND → OKA Ota, Tokyo → Naha	JA73NL	Boeing 737-800	Completed (landing presumed)	1647 km
2026-09-24 08:10 UTC	SKY521	HND → OKA Ota, Tokyo → Naha	JA73NJ	Boeing 737-800	Completed (landing presumed)	1641 km
2026-09-23 08:48 UTC	SKY521	HND → OKA Ota, Tokyo → Naha	JA73NR	Boeing 737-800	Completed (landing presumed)	1638 km
2026-09-22 08:07 UTC	SKY521	HND → OKA Ota, Tokyo → Naha	JA737Y	Boeing 737-800	Incomplete (signal lost)	1622 km
2026-09-20 08:11 UTC	SKY521	HND → OKA Ota, Tokyo → Naha	JA73AC	Boeing 737-800	Completed (landing presumed)	1694 km
2026-09-19 08:09 UTC	SKY521	HND → OKA Ota, Tokyo → Naha	JA737Z	Boeing 737-800	Incomplete (signal lost)	1666 km
2026-09-18 08:28 UTC	SKY521	HND → OKA Ota, Tokyo → Naha	JA73NM	Boeing 737-800	Completed (landing presumed)	1687 km
2026-09-17 08:07 UTC	SKY521	HND → OKA Ota, Tokyo → Naha	JA73NA	Boeing 737-800	Completed	1696 km
2026-09-16 08:18 UTC	SKY521	HND → OKA Ota, Tokyo → Naha	JA73NX	Boeing 737-800	Completed (landing presumed)	1696 km
2026-09-15 08:05 UTC	SKY521	HND → OKA Ota, Tokyo → Naha	JA73NU	Boeing 737-800	Incomplete (signal lost)	1682 km
2026-09-14 08:19 UTC	SKY521	HND → OKA Ota, Tokyo → Naha	JA737Y	Boeing 737-800	Incomplete (signal lost)	1678 km
2026-09-13 08:04 UTC	SKY521	HND → OKA Ota, Tokyo → Naha	JA73NJ	Boeing 737-800	Incomplete (signal lost)	1654 km
2026-09-12 08:28 UTC	SKY521	HND → OKA Ota, Tokyo → Naha	JA73ND	Boeing 737-800	Completed	1691 km
2026-09-11 08:10 UTC	SKY521	HND → OKA Ota, Tokyo → Naha	JA73NN	Boeing 737-800	Completed (landing presumed)	1692 km
2026-09-10 08:11 UTC	SKY521	HND → OKA Ota, Tokyo → Naha	JA737T	Boeing 737-800	Incomplete (signal lost)	1750 km
2026-09-09 08:25 UTC	SKY521	HND → OKA Ota, Tokyo → Naha	JA73AA	Boeing 737-800	Completed	1712 km
2026-09-08 08:28 UTC	SKY521	HND → OKA Ota, Tokyo → Naha	JA73NM	Boeing 737-800	Completed	1715 km
2026-09-07 08:33 UTC	SKY521	HND → OKA Ota, Tokyo → Naha	JA737Z	Boeing 737-800	Completed (landing presumed)	1709 km
2026-09-06 08:29 UTC	SKY521	HND → OKA Ota, Tokyo → Naha	JA737X	Boeing 737-800	Completed	1658 km
2026-09-05 08:04 UTC	SKY521	HND → OKA Ota, Tokyo → Naha	JA73NL	Boeing 737-800	Completed	1721 km
2026-09-04 07:53 UTC	SKY521	HND → OKA Ota, Tokyo → Naha	JA737U	Boeing 737-800	Completed	1696 km
2026-09-03 08:22 UTC	SKY521	HND → OKA Ota, Tokyo → Naha	JA73NK	Boeing 737-800	Completed	1705 km
2026-09-02 08:06 UTC	SKY521	HND → OKA Ota, Tokyo → Naha	JA73NR	Boeing 737-800	Completed	1666 km
2026-09-01 08:23 UTC	SKY521	HND → OKA Ota, Tokyo → Naha	JA737R	Boeing 737-800	Completed	1714 km
2026-08-31 08:09 UTC	SKY521	HND → OKA Ota, Tokyo → Naha	JA73NL	Boeing 737-800	Completed	1686 km
2026-08-30 08:06 UTC	SKY521	HND → OKA Ota, Tokyo → Naha	JA73NM	Boeing 737-800	Completed	1648 km
2026-08-29 08:05 UTC	SKY521	HND → DNA Ota, Tokyo → ?	JA73ND	Boeing 737-800	Completed	1775 km
2026-08-28 07:54 UTC	SKY521	HND → OKA Ota, Tokyo → Naha	JA73NC	Boeing 737-800	Completed	1649 km
2026-08-27 09:09 UTC	SKY521	HND → OKA Ota, Tokyo → Naha	JA73NG	Boeing 737-800	Completed	1660 km
2026-08-26 08:09 UTC	SKY521	HND → OKA Ota, Tokyo → Naha	JA737T	Boeing 737-800	Completed	1640 km
2026-08-24 08:11 UTC	SKY521	HND → OKA Ota, Tokyo → Naha	JA73NP	Boeing 737-800	Completed	1694 km
2026-08-23 08:08 UTC	SKY521	HND → OKA Ota, Tokyo → Naha	JA73NJ	Boeing 737-800	Completed	2023 km
2026-08-22 10:23 UTC	SKY521	HND → OKA Ota, Tokyo → Naha	JA73NE	Boeing 737-800	Completed	2017 km
2026-08-21 08:25 UTC	SKY521	HND → OKA Ota, Tokyo → Naha	JA737Y	Boeing 737-800	Completed	2103 km
2026-08-20 08:31 UTC	SKY521	HND → OKA Ota, Tokyo → Naha	JA73AA	Boeing 737-800	Completed	2161 km
2026-08-19 08:11 UTC	SKY521	HND → OKA Ota, Tokyo → Naha	JA73NN	Boeing 737-800	Completed	2269 km
2026-08-16 07:44 UTC	SKY521	HND → OKA Ota, Tokyo → Naha	JA73NT	Boeing 737-800	Completed	~3277 km est. (2102 km recorded)
2026-08-10 23:21 UTC	SKY521	FUK → HND Fukuoka → Ota, Tokyo	JA737Y	Boeing 737-800	Completed	1122 km